Non J8 patched e43 compiler error
Merge pull request #26 from BoykoAlex/Non-J8_patch_compiler_error

Non J8 patched e43 compiler error
Create Groovy 2.3 feature and add to update site.
Tycho: test target platform includes groovy 2.3 compiler
Add preliminary e44 build profile
Reenable update site uploading.
Configure tycho source plugin to ignore some problems.